std/yaml/resolve
std/yaml/src/resolve.trb
From the tree as it was written to what it means: aliases replaced by the nodes their anchors stand on, counted
against a limit; merge keys applied; and a document without a type read into an EncodedValue by a schema.
type YamlTag
type YamlTagA local tag and the type it stands for. A typed decode checks a node's tag against the type it reads, and a typed
encode writes the tag; caseName makes the tag choose a case of a type with cases (!circle for Shape.Circle).
typeName is the qualified name a type announces to a format: the package, the module path inside it, and the
type - "app/geometry/Point".
Examples
use Yaml from "std/yaml"
const yaml = Yaml tags: [YamlTag("!point", "app/Point")]
print yaml.tags